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*** Reason for purple hue ? ***

cdwagter

Gent, BE
8 posts

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cdwagter Registered since 18th Apr 2007
Sat 28-Apr-07 09:55 PM

Dear,

I mounted an old (non-CPU) Noflexar 1:3.8/200 mm (with Vivitar skylight 1A filter) on my D200 and tried all diaphragm settings with aperture-priority (A) exposure mode. The subject was a sunny detail of plants.

The high-speed images had all a purple hue while the low-speed images had a neutral hue. The sharp switch from purple to neutral occurred between {1/500s f/8 purple} and {1/200s f/11 neutral}.

Further camera settings:
- center-weighted exposure metering
- 400 ISO
- auto white balance
- auto tone compensation
- auto saturation

I am really puzzled. Is the reason related to
- quality of lens ?
- incompatibility between lens and D200 ?
- incompatible camera settings ?
- ...

I would be very grateful to hear the experts' idea.

Best regards,
Carlos De Wagter




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